C++ (Cpp) mipi_dsih_dpi_video示例

示例#1

文件： sprdfb_dsi.c 项目： yourfrienddhruv/zen_u105_uboot

static int32_t dsi_dpi_init(struct panel_spec* panel)
{
	dsih_dpi_video_t dpi_param;
	dsih_error_t result;
	struct info_mipi * mipi = panel->info.mipi;

	dpi_param.no_of_lanes = mipi->lan_number;
	dpi_param.byte_clock = mipi->phy_feq / 8;
	dpi_param.pixel_clock = 384*1000/11;//DSI_PHY_REF_CLOCK / 4;

	switch(mipi->video_bus_width){
	case 16:
		dpi_param.color_coding = COLOR_CODE_16BIT_CONFIG1;
		break;
	case 18:
		dpi_param.color_coding = COLOR_CODE_18BIT_CONFIG1;
		break;
	case 24:
		dpi_param.color_coding = COLOR_CODE_24BIT;
		break;
	default:
		FB_PRINT("sprdfb:[%s] fail, invalid video_bus_width\n", __FUNCTION__);
		break;
	}

	if(SPRDFB_POLARITY_POS == mipi ->h_sync_pol){
		dpi_param.h_polarity = 1;
	}

	if(SPRDFB_POLARITY_POS == mipi ->v_sync_pol){
		dpi_param.v_polarity = 1;
	}

	if(SPRDFB_POLARITY_POS == mipi ->de_pol){
		dpi_param.data_en_polarity = 1;
	}

	dpi_param.h_active_pixels = panel->width;
	dpi_param.h_sync_pixels = mipi->timing->hsync;
	dpi_param.h_back_porch_pixels = mipi->timing->hbp;
	dpi_param.h_total_pixels = panel->width + mipi->timing->hsync + mipi->timing->hbp + mipi->timing->hfp;

	dpi_param.v_active_lines = panel->height;
	dpi_param.v_sync_lines = mipi->timing->vsync;
	dpi_param.v_back_porch_lines = mipi->timing->vbp;
	dpi_param.v_total_lines = panel->height + mipi->timing->vsync + mipi->timing->vbp + mipi->timing->vfp;

	dpi_param.receive_ack_packets = 0;
	dpi_param.video_mode = VIDEO_BURST_WITH_SYNC_PULSES;
	dpi_param.virtual_channel = 0;
	dpi_param.is_18_loosely = 0;

	result = mipi_dsih_dpi_video(&(dsi_ctx.dsi_inst), &dpi_param);
	if(result != OK){
		FB_PRINT("sprdfb: [%s] mipi_dsih_dpi_video fail (%d)!\n", __FUNCTION__, result);
		return -1;
	}

	return 0;
}

示例#2

文件： dsi.c 项目： Eyeless95/samsung_g531h_kernel

static int32_t dsi_dpi_init(struct panel_spec* panel)
{
	dsih_dpi_video_t dpi_param;
	dsih_error_t result;
	struct info_mipi * mipi = panel->info.mipi;

	dpi_param.no_of_lanes = mipi->lan_number;
	dpi_param.byte_clock = mipi->phy_feq / 8;
	dpi_param.pixel_clock = DISPC_DPI_CLOCK / 1000;
#ifdef FB_DSIH_VERSION_1P21A
	dpi_param.max_hs_to_lp_cycles = 4;//110;
	dpi_param.max_lp_to_hs_cycles = 15;//10;
#endif

	switch(mipi->video_bus_width){
	case 16:
		dpi_param.color_coding = COLOR_CODE_16BIT_CONFIG1;
		break;
	case 18:
		dpi_param.color_coding = COLOR_CODE_18BIT_CONFIG1;
		break;
	case 24:
		dpi_param.color_coding = COLOR_CODE_24BIT;
		break;
	default:
		printk(KERN_ERR "autotst_dsi:[%s] fail, invalid video_bus_width\n", __FUNCTION__);
		break;
	}

	if(SPRDFB_POLARITY_POS == mipi ->h_sync_pol){
		dpi_param.h_polarity = 1;
	}

	if(SPRDFB_POLARITY_POS == mipi ->v_sync_pol){
		dpi_param.v_polarity = 1;
	}

	if(SPRDFB_POLARITY_POS == mipi ->de_pol){
		dpi_param.data_en_polarity = 1;
	}

	dpi_param.h_active_pixels = panel->width;
	dpi_param.h_sync_pixels = mipi->timing->hsync;
	dpi_param.h_back_porch_pixels = mipi->timing->hbp;
	dpi_param.h_total_pixels = panel->width + mipi->timing->hsync + mipi->timing->hbp + mipi->timing->hfp;

	dpi_param.v_active_lines = panel->height;
	dpi_param.v_sync_lines = mipi->timing->vsync;
	dpi_param.v_back_porch_lines = mipi->timing->vbp;
	dpi_param.v_total_lines = panel->height + mipi->timing->vsync + mipi->timing->vbp + mipi->timing->vfp;

	dpi_param.receive_ack_packets = 0;
	dpi_param.video_mode = VIDEO_BURST_WITH_SYNC_PULSES;
	dpi_param.virtual_channel = 0;
	dpi_param.is_18_loosely = 0;

	result = mipi_dsih_dpi_video(&(autotst_dsi_ctx.dsi_inst), &dpi_param);
	if(result != OK){
		printk(KERN_ERR "autotst_dsi: [%s] mipi_dsih_dpi_video fail (%d)!\n", __FUNCTION__, result);
		return -1;
	}

	return 0;
}